Stage 1: stock engine/filters, stock/modified pipes about a 5% power increaseStage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters about an 8% power increaseIncreases power and drivabilityFully adjustable MaterialBrassProduct NameJet KitTypeStage 1, Stage 2UnitsKitVendor part numberQ423 MakeModelDisplacementYearCountryEngineYAMAHAYFM 350 Raptor3502004AMERICAYAMAHAYFM 350 R Raptor3502005AMERICAYAMAHAYFM 350 R Raptor3502006AMERICAYAMAHAYFM 350 R Raptor3502007AMERICAYAMAHAYFM 350 R Raptor3502008AMERICAYAMAHAYFM 350 R Raptor3502009AMERICAYAMAHAYFM 350 R Raptor3502010AMERICAYAMAHAYFM 350 R Raptor3502011AMERICAYAMAHAYFM 350 R Raptor3502012AMERICAYAMAHAYFM 350 R Raptor3502013AMERICAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYFM 350 RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R RaptorYFM 350 R Raptor3503503503503503503503503503502004200520062007200820092010201120122013AMERICAAMERICAAMERICAAMERICAAMERICAAMERICAAMERICAAMERICAAMERICAAMERICA